The Scottoiler Vacuum Operated Chain Oiler is an automatically lubricating kit that uses vacuum from your engine to automatically lubricate your chain while riding to maximize the life of your drivetrain. Increase the life of your chain and sprockets by up to 7 times longer than using traditional methods of lubrication. This Scottoiler kit is equipped for operation in warmer climates between 68°F - 104°F Don't waste another minute maintaining your chain, and spend more time riding!